Final Notes

Hints

• Run with more threads than processors
• Run on the target platform when tuning
• Run with the –server VM argument
• Rely on published algorithms when possible
  • Producer/consumer
  • Readers/writers
  • Dining Philosophers
• Don’t build your own thread-safe containers
  • Use java.concurrent
  • JDK 1.4, use http://g.oswego.edu/dl/classes/collections/
  • http://blogs.azulsystems.com/cliff/2007/03/a_nonblocking_h.html
• Consider using locks if in Java 5 or stick with intrinsic locks if moving to 6.
• There’s a lot of gold in java.lang.concurrent!